Where is your Logic? Airplane turbulence part 4

are narrow tubes of turbulence that spiral back from the tips of each wing of a plane as they generate lift. They create drag on the aircraft and are also the most important and dangerous component of wake turbulence. Wingtip vortices can remain in the air for up to three minutes and are much more stable than jetwash. Jetwash is the turbulence that occurs as a result of the gasses expelled from the engine of a jet aircraft as it flies. It is mush more chaotic than wingtip vortices, but ...